Home / 468,521.15-647,648.75-418,034.26

Finding the Fourth Proportional to 468,521.15, 647,648.75 and 418,034.26

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Solution

The fourth proportional to 468,521.15, 647,648.75 and 418,034.26 is: 577,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,521.15 : 647,648.75 = 418,034.26 : x
  2. Step 2: Convert to fraction form
    468,521.15/647,648.75 = 418,034.26/x
  3. Step 3: Cross multiply
    468,521.15x = 647,648.75 × 418,034.26
  4. Step 4: Simplify right side
    468,521.15x = 270,739,360,617.76
  5. Step 5: Solve for x
    x = 270,739,360,617.76/468,521.15
  6. Step 6: Final answer
    x = 577,859.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.